文献类型：期刊文献

英文题名：Poly(vinyl chloride-co-vinyl acetate-co-maleic anhydride)/silica nanocomposites derived from in situ suspension polymerization

作者：Miao, Hui[1,2];Lin, Shaoliang[1];Lin, Jiaping[1]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai Key Lab Adv Polymer Mat, Shanghai 200237, Peoples R China;[2]Shanghai Chlor Alkali Chem Co Ltd, Shanghai 200241, Peoples R China

年份：2012

卷号：123

期号：6

起止页码：3764

外文期刊名：JOURNAL OF APPLIED POLYMER SCIENCE

收录：;EI(收录号：20115014593148);WOS:【SCI-EXPANDED(收录号:WOS:000298086500066)】；

基金：Contract grant sponsor: National Natural Science Foundation of China and Natural Science Foundation of Shanghai; contract grant numbers: 50673026 and 10ZR1407800.Contract grant sponsor: The Research Program of Shanghai Chlor-Alkali Chemical Co., Ltd.; contract grant number: 0710.

语种：英文

外文关键词：mechanical properties; nanocomposites; thermal properties

摘要：Poly(vinyl chloride-co-vinyl acetate-co-maleic anhydride) (PVVM)/silica nanocomposites were prepared by the suspension radical copolymerization of the monomers in the presence of fumed silica premodified with gamma-methylacryloxypropl trimethoxy siliane. Morphological observation showed that the silica particles of nanometer scale were well dispersed in the copolymer matrix of the nanocomposites films, whereas silica particles tended to agglomerate in the composites films prepared by the solution blending of PVVM with silica. The experimental results show that the thermal stability, glass-transition temperature, tensile strength, and Young's modulus were significantly enhanced by the incorporation of silica nanoparticles. The enhancement of properties was related to the better dispersion of silica particles in polymer matrix and the interaction between the polymer chains and the surfaces of the silica particles. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 3764-3771, 2012